Home / 10,329,042.40-15,493,563.60-9,213,016.30

Finding the Fourth Proportional to 10,329,042.40, 15,493,563.60 and 9,213,016.30

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Solution

The fourth proportional to 10,329,042.40, 15,493,563.60 and 9,213,016.30 is: 13,819,524.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,329,042.40 : 15,493,563.60 = 9,213,016.30 : x
  2. Step 2: Convert to fraction form
    10,329,042.40/15,493,563.60 = 9,213,016.30/x
  3. Step 3: Cross multiply
    10,329,042.40x = 15,493,563.60 × 9,213,016.30
  4. Step 4: Simplify right side
    10,329,042.40x = 142,742,453,991,886.69
  5. Step 5: Solve for x
    x = 142,742,453,991,886.69/10,329,042.40
  6. Step 6: Final answer
    x = 13,819,524.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.